Add preset for platform edge

Author: Dimitar5555

data/presets/railway/platform_edge.json

@@ -0,0 +1,14 @@
+{
+    "icon": "temaki-board_train",
+    "fields": [
+        "ref",
+        "tactile_paving"
+    ],
+    "geometry": [
+        "line"
+    ],
+    "tags": {
+        "railway": "platform_edge"
+    },
+    "name": "Platform edge"
+}